compact pvc ball valves UPVC Ball valve,Gate valve Foot valve,Union valve, Check valve,Butterfly valve,Diaphragm valve High Quality compact pvc ball valvesdin pn16 ball valve1)We are specialized ... for different types plastic valves.2)Include Compact Ball valve, Octagonal ball valve,Gate valve,Foot valve,Union valve,Check valve,Butterfly valve,Diaphragm valve--etc.3)They are widely used in irrigation ...